POSTRETIREMENT BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Schedule of Pretax Net Periodic Benefit Cost

The pretax FAS income related to our qualified defined benefit pension plans and retiree medical and life insurance plans consisted of the following (in millions):

	Quarters Ended				Six Months Ended
	June 30, 2024		June 25 2023		June 30, 2024		June 25 2023
Qualified defined benefit pension plans
Operating:
Service cost	$	(15)	$	(16)	$	(30)	$	(32)
Non-operating:
Interest cost	(350)		(365)		(699)		(730)
Expected return on plan assets	393		431		786		861
Amortization of actuarial losses	(65)		(42)		(130)		(84)
Amortization of prior service credits	37		87		74		174
Non-service FAS pension income	15		111		31		221
Total FAS pension income	$	—	$	95	$	1	$	189
Retiree medical and life insurance plans
Operating:
Service cost	$	(1)	$	(2)	$	(2)	$	(3)
Non-operating:
Interest cost	(16)		(17)		(32)		(34)
Expected return on plan assets	27		26		54		52
Amortization of actuarial gains	9		8		18		16
Amortization of prior service costs	(1)		(2)		(2)		(5)
Non-service FAS retiree medical and life income	19		15		38		29
Total FAS retiree medical and life income	$	18	$	13	$	36	$	26